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    <title>Document</title>
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    <script>
        async function go(){
            return 1;
        }
        /* 2.await
        执行一个promise
        后面一定要跟promise
        在async函数里面的
         */
        async function getRes(){
            var data=await go()
            console.log(data)
        }
        getRes()
    </script>
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